* {
  margin: 0;
  padding: 0;
}

body {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: #ade5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.sun {
  position: relative;
}

.sun_face {
  position: absolute;
  left: calc(50% - 85px);
  top: calc(50% - 85px);
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: linear-gradient(145deg, #fcc952, #fcc952 60%, #eca731 100%);
  box-shadow: 6px 6px 18px rgba(209, 129, 31, 0.4),
    -6px -6px 18px rgba(209, 157, 35, 0.4);
}

.eyes {
  position: absolute;
  left: calc(50% - 40px);
  top: calc(50% - 10px);
  width: 80px;
  height: 20px;
}

.eye {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #000;
}
.eye:nth-child(2) {
  right: 0;
}
.eye::before {
  content: "";
  position: absolute;
  right: 3px;
  top: 3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #fff;
  /* 运动 */
  animation: eyeMove 4s ease-in-out alternate infinite;
}
@keyframes eyeMove {
  0%,
  35% {
    right: 3px;
  }
  65%,
  100% {
    right: 11px;
  }
}
.mouth {
  position: absolute;
  left: calc(50% - 9px);
  top: calc(50% + 10px);
  width: 18px;
  height: 18px;
  border-radius: 0 0 9px 9px;
  background-color: #000;
  overflow: hidden;
  animation: mouthMove 2s linear infinite;
}
.tongue {
  position: absolute;
  top: 40%;
  width: 18px;
  height: 16px;
  border-radius: 50%;
  background: #f54b2e;
}
@keyframes mouthMove {
  0% {
    height: 18px;
  }
  100% {
    height: 24px;
  }
}

.sun_light {
  position: absolute;
  left: calc(50% - 85px);
  top: calc(50% - 85px);
  width: 170px;
  height: 170px;
  z-index: -1;
  /* 整体旋转 */
  animation: lightRotate 20s linear infinite;
}
.light {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #f7a036;
}
.light:nth-child(2) {
  transform: rotate(60deg);
}
.light:nth-child(3) {
  transform: rotate(120deg);
}
@keyframes lightRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.cloud_wrap {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
.cloud {
  position: absolute;
  width: 350px;
  height: 120px;
  border-radius: 60px;
  background-color: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  opacity: 0.8;
}
.cloud::before,
.cloud::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background-color: #fff;
}
.cloud::before {
  width: 180px;
  height: 180px;
  top: -90px;
  right: 50px;
}
.cloud::after {
  width: 100px;
  height: 100px;
  top: -50px;
  left: 50px;
}

.cloud-1 {
  top: 10vh;
  transform: scale(0.65);
  animation: cloudMove1 32s linear infinite;
}
.cloud-2 {
  top: 25vh;
  transform: scale(0.45);
  animation: cloudMove2 45s linear infinite;
}
.cloud-3 {
  top: 35vh;
  transform: scale(0.55);
  animation: cloudMove3 35s linear infinite;
}
.cloud-4 {
  top: 40vh;
  transform: scale(0.5);
  animation: cloudMove4 55s linear infinite;
}
.cloud-5 {
  bottom: 45vh;
  transform: scale(0.4);
  animation: cloudMove5 50s linear infinite;
}
.cloud-6 {
  bottom: 25vh;
  transform: scale(0.45);
  animation: cloudMove6 60s linear infinite;
}
.cloud-7 {
  bottom: 10vh;
  transform: scale(0.55);
  animation: cloudMove7 54s linear infinite;
}

/* 让云元素进行运动，设置动画规则 */
@keyframes cloudMove1 {
  0% {
    left: -15%;
  }
  100% {
    left: 100%;
  }
}
@keyframes cloudMove2 {
  0% {
    left: 45%;
  }
  55% {
    left: 100%;
  }
  55.01% {
    left: -10%;
  }
  100% {
    left: 45%;
  }
}
@keyframes cloudMove3 {
  0% {
    left: 25%;
  }
  75% {
    left: 100%;
  }
  75.01% {
    left: -10%;
  }
  100% {
    left: 25%;
  }
}
@keyframes cloudMove4 {
  0% {
    left: 65%;
  }
  35% {
    left: 100%;
  }
  35.01% {
    left: -10%;
  }
  100% {
    left: 65%;
  }
}
@keyframes cloudMove5 {
  0% {
    left: 15%;
  }
  85% {
    left: 100%;
  }
  85.01% {
    left: -10%;
  }
  100% {
    left: 15%;
  }
}
@keyframes cloudMove6 {
  0% {
    left: 30%;
  }
  70% {
    left: 100%;
  }
  70.01% {
    left: -10%;
  }
  100% {
    left: 30%;
  }
}
@keyframes cloudMove7 {
  0% {
    left: 5%;
  }
  95% {
    left: 100%;
  }
  95.01% {
    left: -10%;
  }
  100% {
    left: 5%;
  }
}
